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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-23 11:27:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-23 11:27:49 -0800
commitaf17fe7a63db7e11d65f1296f0cbf156a89a2735 (patch)
tree39b8c379a5a30e1468684832945eaab704f6d095 /drivers/infiniband/core/umem.c
parentMerge tag 'vfio-v4.11-rc1' of git://github.com/awilliam/linux-vfio (diff)
parentIB/mlx5: Fix configuration of port capabilities (diff)
downloadlinux-dev-af17fe7a63db7e11d65f1296f0cbf156a89a2735.tar.xz
linux-dev-af17fe7a63db7e11d65f1296f0cbf156a89a2735.zip
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull Mellanox rdma updates from Doug Ledford: "Mellanox specific updates for 4.11 merge window Because the Mellanox code required being based on a net-next tree, I keept it separate from the remainder of the RDMA stack submission that is based on 4.10-rc3. This branch contains: - Various mlx4 and mlx5 fixes and minor changes - Support for adding a tag match rule to flow specs - Support for cvlan offload operation for raw ethernet QPs - A change to the core IB code to recognize raw eth capabilities and enumerate them (touches non-Mellanox code) - Implicit On-Demand Paging memory registration support" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (40 commits) IB/mlx5: Fix configuration of port capabilities IB/mlx4: Take source GID by index from HW GID table IB/mlx5: Fix blue flame buffer size calculation IB/mlx4: Remove unused variable from function declaration IB: Query ports via the core instead of direct into the driver IB: Add protocol for USNIC IB/mlx4: Support raw packet protocol IB/mlx5: Support raw packet protocol IB/core: Add raw packet protocol IB/mlx5: Add implicit MR support IB/mlx5: Expose MR cache for mlx5_ib IB/mlx5: Add null_mkey access IB/umem: Indicate that process is being terminated IB/umem: Update on demand page (ODP) support IB/core: Add implicit MR flag IB/mlx5: Support creation of a WQ with scatter FCS offload IB/mlx5: Enable QP creation with cvlan offload IB/mlx5: Enable WQ creation and modification with cvlan offload IB/mlx5: Expose vlan offloads capabilities IB/uverbs: Enable QP creation with cvlan offload ...
Diffstat (limited to 'drivers/infiniband/core/umem.c')
-rw-r--r--drivers/infiniband/core/umem.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 4609b921f899..446b56a5260b 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -99,9 +99,6 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
if (dmasync)
dma_attrs |= DMA_ATTR_WRITE_BARRIER;
- if (!size)
- return ERR_PTR(-EINVAL);
-
/*
* If the combination of the addr and size requested for this memory
* region causes an integer overflow, return error.